1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/smil/nsSMILSetAnimationFunction.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,67 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef NS_SMILSETANIMATIONFUNCTION_H_
1.10 +#define NS_SMILSETANIMATIONFUNCTION_H_
1.11 +
1.12 +#include "mozilla/Attributes.h"
1.13 +#include "nsSMILAnimationFunction.h"
1.14 +
1.15 +//----------------------------------------------------------------------
1.16 +// nsSMILSetAnimationFunction
1.17 +//
1.18 +// Subclass of nsSMILAnimationFunction that limits the behaviour to that offered
1.19 +// by a <set> element.
1.20 +//
1.21 +class nsSMILSetAnimationFunction : public nsSMILAnimationFunction
1.22 +{
1.23 +public:
1.24 + /*
1.25 + * Sets animation-specific attributes (or marks them dirty, in the case
1.26 + * of from/to/by/values).
1.27 + *
1.28 + * @param aAttribute The attribute being set
1.29 + * @param aValue The updated value of the attribute.
1.30 + * @param aResult The nsAttrValue object that may be used for storing the
1.31 + * parsed result.
1.32 + * @param aParseResult Outparam used for reporting parse errors. Will be set
1.33 + * to NS_OK if everything succeeds.
1.34 + * @returns true if aAttribute is a recognized animation-related
1.35 + * attribute; false otherwise.
1.36 + */
1.37 + virtual bool SetAttr(nsIAtom* aAttribute, const nsAString& aValue,
1.38 + nsAttrValue& aResult, nsresult* aParseResult = nullptr) MOZ_OVERRIDE;
1.39 +
1.40 + /*
1.41 + * Unsets the given attribute.
1.42 + *
1.43 + * @returns true if aAttribute is a recognized animation-related
1.44 + * attribute; false otherwise.
1.45 + */
1.46 + virtual bool UnsetAttr(nsIAtom* aAttribute) MOZ_OVERRIDE;
1.47 +
1.48 +protected:
1.49 + // Although <set> animation might look like to-animation, unlike to-animation,
1.50 + // it never interpolates values.
1.51 + // Returning false here will mean this animation function gets treated as
1.52 + // a single-valued function and no interpolation will be attempted.
1.53 + virtual bool IsToAnimation() const MOZ_OVERRIDE {
1.54 + return false;
1.55 + }
1.56 +
1.57 + // <set> applies the exact same value across the simple duration.
1.58 + virtual bool IsValueFixedForSimpleDuration() const MOZ_OVERRIDE {
1.59 + return true;
1.60 + }
1.61 + virtual bool HasAttr(nsIAtom* aAttName) const MOZ_OVERRIDE;
1.62 + virtual const nsAttrValue* GetAttr(nsIAtom* aAttName) const MOZ_OVERRIDE;
1.63 + virtual bool GetAttr(nsIAtom* aAttName,
1.64 + nsAString& aResult) const MOZ_OVERRIDE;
1.65 + virtual bool WillReplace() const MOZ_OVERRIDE;
1.66 +
1.67 + bool IsDisallowedAttribute(const nsIAtom* aAttribute) const;
1.68 +};
1.69 +
1.70 +#endif // NS_SMILSETANIMATIONFUNCTION_H_
